[4.1] Introduction to Queues | Data Structures in Python

Introduction to Queues: A Queue is a linear structure that follows the First In First Out (FIFO) rule. In this rule, the First item that is inserted inside the queue will become the first item to come out of the queue.
We will use Linked List to implement queues.

There are primarily 2 operations that can be performed inside a queue:

1) Enqueue (Insertion): Element is inserted at the rear end of the queue.
2) Dequeue (Deletion): Element is deleted at the front position of the queue.Applications of Queues:
CPU Scheduling
Multi-Threaded Programming

Priority Queues

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